He was working quietly, with all his attention _______ on the task.
A．was fastenedB．fasteningC．to fastenD．fastened
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Great changes _________ in my hometown and a lot of factories ___________.
A．have been taken place; are being set up
B．have taken place ; have been set up
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A．will rainB．rainedC．is rainingD．rains

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Women prefer to think and then speak, while men like to speak as they _________.
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Great changes ______ in China in the past 20 years.
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— Joan was badly injured in the accident yesterday and she was sent to hospital.
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A．can have missedB．can have lostC．may have missedD．may have lost

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McGradv scored 23 points and David Wesley_______19，including several key free throws late，as Houston won its third straight game.
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